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Summary
Being the leader has always put Leo in the spotlight — but when the Foot Clan realize taking him down is the fastest way to break the turtles, Leo becomes their number-one target. A mystic curse leaves a mark burning across his shell, designed to weaken him with every fight, and the enemy taunts that if the head falls, the body will follow.
But the Foot didn’t count on one thing: Leo’s brothers don’t crumble without him. They rally, they fight, and they protect — because no one gets to break Leonardo. Not while Raphael, Donatello, and Michelangelo still stand by his side.
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december fic advent 2025 by angelmichelangelo
Fandom: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Tales of the Teenage Mutant Ninja Turtles (Cartoon 2024), Teenage Mutant Ninja Turtles (Comics), Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types, TMNT (2007)
15 Dec 2025
- Words:
- 32,479
- Works:
- 15
- Bookmarks:
- 1
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Be like your brothers (And never like yourself) by ItzZaira
Fandoms: Teenage Mutant Ninja Turtles (TV 2012)
17 Apr 2023
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Summary
He wasn't important. He was nothing. The turtle had always known that.
That had to change. Now.
He had to be like them.
Be like Donatello. Smart, kind, and always knowing what to do.
Be like Raphael. Strong, brave, and always facing your troubles head-on.
Be like Leonardo. Fearless, gentle, and always there for those who need him.
Be like Leo, be like Donnie, be like Raph.
But not like Michelangelo.
Never like Michelangelo.
Or
Three times Mikey tried to be like his big brothers.
And one time they told him he didn't have to.
- Language:
- English
- Words:
- 25,892
- Chapters:
- 4/4
- Comments:
- 271
- Kudos:
- 1,981
- Bookmarks:
- 412
- Hits:
- 26,277
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City Hopping by WeirdScribe95
Fandoms: Batman: Wayne Family Adventures (Webcomic), Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Batman - All Media Types
03 Jul 2025
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Summary
They'd just wrapped up a sting when the Bats saw a strange blue light coming from one of the Joker's old hideouts. Even if Joker was locked away in Arkham, Batman had decided to check it out.
They expected a shady rogue inventor testing a new weapon, or something as mundane as an old neon sign finally giving out.
Batman had seen a lot, but even he didn't expect what they found in there.
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Raphael didn't know what had gone wrong.
One moment he was helping Leo test out his portals, the next he was in a decaying building in a city that was NOT New York.
He didn't know where he was, but there were two things he DID know: he needed to get home as fast as possible, and that he'd been kidnapped by a bunch of people in capes.
He especially hoped the guy in the black cape and cowl wasn't as dangerous as he looked...
- Language:
- English
- Words:
- 19,309
- Chapters:
- 11/11
- Collections:
- 2
- Comments:
- 77
- Kudos:
- 354
- Bookmarks:
- 79
- Hits:
- 4,482
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bunnyguard by Sroloc_Elbisivni
Fandom: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types, Usagi Yojimbo
22 Dec 2023
Summary
A series of LeoSagi fics for Year of the OTP set in a world where 1. Draxum helped raise the turtles 2. the cast of Usagi Yojimbo are lifelong residents of the Hidden City 3. Usagi is hired as a bodyguard for Leo who Does Not Want a bodyguard.
They start to like each other anyways.
- Words:
- 78,514
- Works:
- 12
- Bookmarks:
- 166
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not today. by orphan_account
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
22 Sep 2024
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Summary
Casey Jr takes after his mother in many ways -
one of which is her total stubbornness.He's not leaving his sensei behind.
___
Or, the time where Casey refuses to leave his dad-sensei behind and drags him back to the past with him.
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Two for the Price of One by GriffinStone
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
11 Mar 2024
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Summary
Leo trusts Raph.
Of course he does. He'd be stupid not to.
But it's been months since Splinter chose Leo to be leader, so it's up to Leo to make the decisions on missions now. So he does, gradually calling on his brothers less and less as more and more missions go wrong and it's up to Leo to fix them.
Like today's mission, retrieving a creepy totem thing that Leo doesn't know the purpose of or why the bad guys want it. And when the mission goes predictably sideways, he prepares to portal the totem to himself, even if Raph is going after it already.
Until Donnie starts screaming from some kind of invisible attack that Leo can't see, but can gradually feel from his twin. Focused on Donnie, Leo doesn't think about the totem.
Not until Casey Jones shows up.
Casey Jones, who's come back in time with more than just a picture and vague directions.
Series
- Part 2 of Telepathic Twins
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No Mutant Left Behind by WeirdScribe95
Fandoms: X-Men - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
07 Sep 2025
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Summary
A routine errand becomes a fight for survival when Donatello is ambushed by Karai on a rooftop. She manages to injure and poison him, smirking at him as she tells him how she plans to throw his body at Shredder's feet.
In a moment of desperation, he wishes for someone to come and help.
Imagine his surprise when, seconds later, he and Karai are abducted by some strange-looking humans...
TLDR: The X-Men meet the Hamato Clan, and en route throw a gigantic wrench in the Foot Clan's plans.
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O Monster, let me into your heart by orphan_account
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types
28 Feb 2022
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Summary
At some point during all their adventures and mishaps, Casey and Donnie end up slowly losing interest in April and instead start glancing at each other. Of course, a person's first ever romantic rejection takes a bit of a hit on their self-esteem, made even worse by the fact that Donnie's was already the lowest of his brothers to begin with, but perhaps it's a problem that none other than Casey Jones can fix.
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switch 404 (dead man's error) by VeryCoolKid69420
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
13 Sep 2022
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Summary
“You alright?”
Mikey’s looking at him. His eyes are searching, scanning him up and down, like a watchdog. Donnie’s in the middle of getting to his feet to work, and he can’t possibly open up to him. It’s stupid. Irrational. Deplorable.
Donnie offers back a pathetic grin. “I’m fine.” The words are quick, seamless. Mikey smiles something bright at him, the answer giving no one anything to think about, nothing to consider. Mikey is busy, busy like Donnie is, and he can’t bring himself to throw another thing onto the youngest brother.
He feels his shell pounding. Flesh ticking like clockwork. There’s no pain, not yet, just brass bright growing stains in his flawless techwear. No one notices.
Good. He’s got a lot of work to do.
///
Or, in which Donnie is a worker first and a person second.
(Or, in which Donnie convinces himself he is nothing more than a robot. He’ll work through the pain, work through the slashes on his shell, work through the migraines. His brothers, however, won’t stand for that…
…If they catch onto it, that is.)
- Language:
- English
- Words:
- 12,789
- Chapters:
- 1/1
- Collections:
- 4
- Comments:
- 149
- Kudos:
- 3,899
- Bookmarks:
- 802
- Hits:
- 36,369
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Bookmark Tags:
Bookmark Notes:
I know very little tmnt but this is so good :(
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Say Something True by Dandy
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
18 Apr 2024
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Summary
It starts small. Little things. The wrong pizza order. A miscommunication over air hockey.
Then it becomes more and more obvious.
Leo's brothers don't trust him at all.
Written for Bad Things Happen Bingo: Truth Potion/Serum
Series
- Part 3 of Bad Things Happen Bingo
- Language:
- English
- Words:
- 10,428
- Chapters:
- 1/2
- Collections:
- 1
- Comments:
- 126
- Kudos:
- 846
- Bookmarks:
- 209
- Hits:
- 8,550
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Over the Rainbow by VanillaVengeance
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (TV 2012)
26 Oct 2025
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Summary
Dad was wrong about all of those stranger danger talks. Karai was nice, and didn't offer any kind of candy or puppies from a trench coat. She even promised to get him home.
Her help combined with whoever her father was would ensure Mikey would be back with his family in no time.
- Language:
- English
- Words:
- 155,282
- Chapters:
- 20/?
- Comments:
- 504
- Kudos:
- 541
- Bookmarks:
- 123
- Hits:
- 17,147
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Bookmark Notes:
Ima read this later looks cool
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Bookmark Tags:
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The Day the World Broke by saladmix
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles: Mutant Mayhem (Movie 2023), Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles (TV 2003), Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (Bay Movies), TMNT (2007)
27 Feb 2025
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Summary
When TCRI experimentation rips the fabric of reality open, things get weird. And for four totally regular teenage mutant turtles, the world is about to get a lot more dangerous. It'll be up to every turtle in the multiverse to keep them safe and figure out how to stop the end of the world for all of them.
- Language:
- English
- Words:
- 430,165
- Chapters:
- 33/?
- Comments:
- 1,026
- Kudos:
- 854
- Bookmarks:
- 226
- Hits:
- 40,090
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Bookmark Notes:
Chapter 33. The best fic I've ever read, like srsly
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Love Makes You Do Crazy Things by Virameows
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Dec 2025
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Summary
Donatello realizes he has fallen in love with the girl he has sworn he hates, he has no idea how to handle all these new emotions flooding his mind. Leonardo does his best to try and ground him, but Donatello decides he is going to rogue and he may end up regretting it.
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Let The World Burn by Shimonu
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles (IDW Comics), Teenage Mutant Ninja Turtles (Comics), Teenage Mutant Ninja Turtles (Mirage Comics), Teenage Mutant Ninja Turtles (Bay Movies), Teenage Mutant Ninja Turtles (TV 2012)
19 Nov 2024
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Summary
The chains bit into Leo's wrists with familiar cruelty, metal warmed by his blood where it dripped steadily onto concrete. The Purple Dragons circled him like vultures, brass knuckles and knives glinting dully in the warehouse light. But they hadn't caught him. He'd let them take him. Let them chain him up. Let them think they had the upper hand. Because two days ago, these same Dragons had put Raph in the infirmary. And Leo was here to return the favor.
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Waiting Out The Rain by Blue2802
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
12 Sep 2023
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Summary
Leo understood that bad days were normal and expected, but it didn't make them any easier.
The one where I feel bad and so Leo has to feel bad too.
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ariadne's string is a gift given with love by lunarliar
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
01 Jun 2025
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Summary
Leo stepped back, closed his eyes, and reached out for the closest teleport-able object.
When he opened his eyes, he was still in his room. Still staring at the stuffed bear.
…huh.
Leo thought for a moment, attempting to retrace his steps.
Well, he’d gotten the gift just because it had reminded him of Raph. But that had reminded him of how much Raph throws himself around in fights, and how hard he tries to help Leo all the time, how he’s putting too much pressure on himself.
Maybe…
Their mystic and ninpo were pretty much combined now, right? And the latter was literally all about loving their family with everything they had.
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Learning New Things by Galaxy_Orchid
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Sonic the Hedgehog - All Media Types
10 Oct 2025
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Summary
Leo and his boyfriend Yuto have been dating for years now ever since Leo's confession, but have never done anything intimate with one another. After finally gaining the courage to ask, Yuto wanted to see if Leo wanted to take a step forward if he was ready. Both of them were interested in seeing how far they can go and what they can do to help their lover in this relationship.
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Still Reptiles -Just the Fire Breathing Kind Now by Jellyfish_Sandwich
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), How to Train Your Dragon (Movies)
19 Jan 2025
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Summary
April, The turtles and The Caseys all end up in the How To Train Your Dragon universe, specifically during season 2 of Race to the Edge.
But of course, that's not all! You see, Mutants don't exist in the httyd universe, but you know what does? Dragons! (What I'm saying here is that the turtles get turned into dragons)
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Bookmark Notes:
Light and funny
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I Never Let Them See the Worst of Me by WrittenKinzy18
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
07 Jun 2025
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Summary
Finally, finally, they spotted two blurs of color in the dull tunnels. Both were bundles of blue and green, but one had a splash of purple on his head. There was no longer a pair of voices. Instead, all they could hear were frantic chirps, churrs, and whines. They silently inched forward, straining their senses to get a better feel of the situation.
As they got closer, they noticed with guilty dread that the littler one was not moving.
Alternatively:
During winter, when the twins were just young turtle tots, Blue and Purple got lost in the sewers. One doesn't make it... but they both end up finding their way back home.This changes everything and nothing at the same time.
Series
- Part 1 of Amber Eyes
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